You can download the .jar file from these official modding platforms:
Locate your Minecraft installation folder (usually %appdata%\.minecraft on Windows). Open the mods folder. Download Einsteins Library jar
Are you trying to install a that requires Einstein's Library as a dependency? Einstein's Library - Files - Minecraft Mods - CurseForge You can download the
: The most comprehensive source, listing versions from 1.15.2 up to 1.18.2. Use the Einstein's Library Files page to find the specific version matching your Minecraft installation. such as Einstein's Library 2.0-1.16.5
: Offers a slightly more recent release date for certain versions, such as Einstein's Library 2.0-1.16.5 , which is compatible with Forge loaders. Installation Guide
: Ensure you have the Forge mod loader installed. This library is not compatible with Fabric.